Putter head



FIG. 1 is a front view of a putter head showing my new design;

FIG. 2 is an end view taken from the left of FIG. 1;

FIG. 3 is an end view taken from the right of FIG. 1;

FIG. 4 is a back view;

FIG. 5 is a top view; and,

FIG. 6 is a bottom view.

The ornamental design for a putter head, as shown.